What is a key difference between Section 18 and Section 24(c)?

The key difference that makes the chosen answer correct centers on the issuance and duration of Section 18 versus Section 24(c). Section 18 refers to an emergency exemption provision under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), allowing for the use of unregistered pesticides in specific situations. This exemption typically has a one-year duration, requiring renewal if the emergency conditions persist.

In contrast, Section 24(c) pertains to special local needs registrations of pesticides and does not inherently have the same expiration rules that Section 18 has. While Section 24(c) allows states to approve additional uses of registered pesticides based on local agricultural needs, it encompasses a wider array of applications that can be registered locally, but it does not have an annual expiration linked directly to its issuance.

This distinction highlights the temporal limitations of Section 18, emphasizing that it is designed for urgent situations that may only need short-term resolutions. In contrast, Section 24(c) is intended to continuously meet specific local agricultural demands without the same strict expiration framework.